Home / 106,737.27-160,100.13-54,145.38

Finding the Fourth Proportional to 106,737.27, 160,100.13 and 54,145.38

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Solution

The fourth proportional to 106,737.27, 160,100.13 and 54,145.38 is: 81,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,737.27 : 160,100.13 = 54,145.38 : x
  2. Step 2: Convert to fraction form
    106,737.27/160,100.13 = 54,145.38/x
  3. Step 3: Cross multiply
    106,737.27x = 160,100.13 × 54,145.38
  4. Step 4: Simplify right side
    106,737.27x = 8,668,682,376.90
  5. Step 5: Solve for x
    x = 8,668,682,376.90/106,737.27
  6. Step 6: Final answer
    x = 81,215.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.